Since 2005, James P. DeWan has been writing with wit and precision about cooking techniques and methods in "Prep School," his monthy column for the Chicago Tribune. DeWan is an award-winning food writer, chef and culinary instructor who teaches at Kendall College in Chicago. He is the author of "Prep School: How to Improve Your Kitchen Skills and Cooking Techniques," a collection of his Good Eating columns. It was a finalist for an International Association of Culinary Professionals cookbook award in 2014. DeWan is also co-author of "The Zwilling J.A. Henckels Complete Book of Knife Skills."